Answer: Decoding
Step-by-step explanation:
Decoding in the list of communication processes involves the person who receives the message, in this case Carlos, trying to make meaning out of what the sender is saying. The sender in this instance is Brynn.
So, when Carlos listened to Brynn's message of closing the border, he understood the message to mean that Brynn was stereotyped against the Latin Americans and his reaction to that was infuriation.